<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
             function formatExcelDate(numb, format = '/') {
            const time = new Date((numb - 25567) * 24 * 3600000 - 5 * 60 * 1000 - 43 * 1000 - 24 * 3600000 - 8 * 3600000)
            time.setYear(time.getFullYear())
            const year = time.getFullYear() + ''
            const month = time.getMonth() + 1 + ''
            const date = time.getDate() + ''
            if (format && format.length === 1) {
                return year + format + month + format + date
            }
            return year + (month < 10 ? '0' + month : month) + (date < 10 ? '0' + date : date)
        }
         const data = [
            {
                入职日期: 44505,
                姓名: "小张",
                工号: "9002",
                手机号: "13800000252",
                转正日期: 44892,
                部门: "总裁办"
            },
            {
                入职日期: 44506,
                姓名: "小李",
                工号: 9006,
                手机号: "13810000512",
                转正日期: 44893,
                部门: "总裁办",
            }
        ]
        const mapInfo = {
                '入职日期': 'timeOfEntry',
                '手机号': 'mobile',
                '姓名': 'username',
                '转正日期': 'correctionTime',
                '工号': 'workNumber',
                '部门': 'departmentName',
                '聘用形式': 'formOfEmployment',
            }
        const result =data.map(item => {
                // console.log(item);
                // Object.keys(item) // ['入职日期', '姓名', '工号', '手机号', '转正日期', '部门']
                const enObj = {}
                // 2. 根据映射对象，将中文的key转化为应为key
                Object.keys(item).forEach(zhKey => {
                    const enKey = mapInfo[zhKey]
                    if (enKey === 'timeOfEntry' || enKey === 'correctionTime') {
                        // 传入excel时间格式，还原成标准的时间格式
                        enObj[enKey] = new Date(formatExcelDate(item[zhKey]))
                    } else {
             enObj[enKey] = item[zhKey]
                    }

                })
                return enObj
            })
      
    </script>
</body>
</html>